2018-11-22 14:31:12 +01:00
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From 6ea832d09415cd82b744d0cf168cdd728c43df47 Mon Sep 17 00:00:00 2001
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From: Mark Corbin <mark.corbin@embecosm.com>
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Date: Thu, 22 Nov 2018 12:19:11 +0000
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Subject: [PATCH] gcc: define _REENTRANT for RISC-V when -pthread is passed
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The detection of pthread support fails on RISC-V unless _REENTRANT
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is defined. Added the CPP_SPEC definition from gcc 8.1.0 to correct
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this.
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Signed-off-by: Mark Corbin <mark.corbin@embecosm.com>
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2018-12-08 16:37:34 +01:00
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Signed-off-by: Romain Naour <romain.naour@gmail.com>
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2018-11-22 14:31:12 +01:00
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---
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gcc/config/riscv/linux.h | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/gcc/config/riscv/linux.h b/gcc/config/riscv/linux.h
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index 4b2f7b6e1fd..b00d23ddfa0 100644
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--- a/gcc/config/riscv/linux.h
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+++ b/gcc/config/riscv/linux.h
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@@ -47,6 +47,8 @@ along with GCC; see the file COPYING3. If not see
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#define ICACHE_FLUSH_FUNC "__riscv_flush_icache"
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+#define CPP_SPEC "%{pthread:-D_REENTRANT}"
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+
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#define LINK_SPEC "\
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-melf" XLEN_SPEC "lriscv \
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%{shared} \
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--
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2.19.1
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